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[EnergyPlus_Support] E+ crashed to desktop - floating invalid (65) error



Hi all,

I am simulating a 6-zone house with an AirflowNetwork and a hot water heating system. One zone has a LowTemperatureRadiant:VariableFlow object and three zones use a BaseboardRadiantConvective:Water object, served by a BoilerHotWater. I used example files RadLoTempHydrHeatCool.idf and LgOffVAVusingBasement.idf to set up the system and I deleted the cooling network. My file runs fine on autosize (but with many MANY "Maximum iterations exceeded for ZoneHVAC:Baseboard:RadiantConvective:Water" errors for each of the three BaseboardRadiantConvective:Water objects, in the 9000 range for an annual simulation) but when I enter the calculated values in the idf the program bombs. Any ideas about what may be happening here?

I have uploaded both the autosize and the normal idf as spiti_6underfloor - autosize.idf and spiti_6underfloor.idf respectively, if anyone wants to have a look.



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